SECURITY REPORT · EXTENSHI SCAN
Client Challenge
Firefox extension·by MDPI
64
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue
How it ranks
Client Challenge's safety score vs every other extension we've scanned
Globally
8%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,224 extensions
In Tabs
2%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 12,515 tabs extensions
Findings
52
median 4Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
569
median 2vs category median
Findings breakdown
Automated security signal · 52 distinct issues across 6 severities
52
distinct issues
detected
detected
Scanners reported 55 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical24%
High510%
Needs Review00%
Medium2854%
Low917%
Info815%
Permissions requested
3 risky permissions of 7 total
1 critical permission require attention
This extension requests 7 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites
Can read and modify content on every website you visit
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Store local data
Can save data locally in the browser for persistence
Low
Schedule tasks
Can schedule periodic background tasks
Info
*://*/*
No additional information available.
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Scan performed by extenshi.io · Aug 17, 2026
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